EP3729556B1 - Beheizte kunststofffluidleitungen für thermische systeme in einem hybriden/elektrischen fahrzeug (h/ev) und verwendung davon - Google Patents

Beheizte kunststofffluidleitungen für thermische systeme in einem hybriden/elektrischen fahrzeug (h/ev) und verwendung davon Download PDF

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Publication number
EP3729556B1
EP3729556B1 EP17832357.2A EP17832357A EP3729556B1 EP 3729556 B1 EP3729556 B1 EP 3729556B1 EP 17832357 A EP17832357 A EP 17832357A EP 3729556 B1 EP3729556 B1 EP 3729556B1
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EP
European Patent Office
Prior art keywords
component
thermal
fluid
management system
loop
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EP17832357.2A
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English (en)
French (fr)
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EP3729556A1 (de
Inventor
Thomas Stimson
Alastair Deane
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TI Group Automotive Systems LLC
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TI Group Automotive Systems LLC
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
    • B60H1/2215—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from electric heaters
    • B60H1/2221—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from electric heaters arrangements of electric heaters for heating an intermediate liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
    • B60L58/27—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by heating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00271—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
    • B60H1/00278—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit for the battery
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L1/00—Supplying electric power to auxiliary equipment of vehicles
    • B60L1/003—Supplying electric power to auxiliary equipment of vehicles to auxiliary motors, e.g. for pumps, compressors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L1/00—Supplying electric power to auxiliary equipment of vehicles
    • B60L1/02—Supplying electric power to auxiliary equipment of vehicles to electric heating circuits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
    • B60L3/003—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to inverters
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
    • B60L3/0046—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electric energy storage systems, e.g. batteries or capacitors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
    • B60L3/0061—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electrical machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
    • B60L58/26—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L11/00—Hoses, i.e. flexible pipes
    • F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
    • F16L11/08—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L11/00—Hoses, i.e. flexible pipes
    • F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
    • F16L11/12—Hoses, i.e. flexible pipes made of rubber or flexible plastics with arrangements for particular purposes, e.g. specially profiled, with protecting layer, heated, electrically conducting
    • F16L11/125—Hoses, i.e. flexible pipes made of rubber or flexible plastics with arrangements for particular purposes, e.g. specially profiled, with protecting layer, heated, electrically conducting non-inflammable or heat-resistant hoses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L53/00—Heating of pipes or pipe systems; Cooling of pipes or pipe systems
    • F16L53/30—Heating of pipes or pipe systems
    • F16L53/35—Ohmic-resistance heating
    • F16L53/38—Ohmic-resistance heating using elongate electric heating elements, e.g. wires or ribbons
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/615—Heating or keeping warm
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625—Vehicles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6567—Liquids
    • H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/657—Means for temperature control structurally associated with the cells by electric or electromagnetic means
    • H01M10/6571—Resistive heaters
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/66—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/66—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells
    • H01M10/663—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells the system being an air-conditioner or an engine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00271—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
    • B60H2001/00307—Component temperature regulation using a liquid flow
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/10—Vehicle control parameters
    • B60L2240/36—Temperature of vehicle components or parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/54—Drive Train control parameters related to batteries
    • B60L2240/545—Temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • H01M2220/00—Batteries for particular applications
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y02T90/14—Plug-in electric vehicles

Definitions

  • This disclosure relates to hybrid/electric vehicles (H/EVs) and full electric vehicles (EVs) and for thermal management systems integrated with a vehicle's of power electronics, battery, and motor drives.
  • H/EVs hybrid/electric vehicles
  • EVs full electric vehicles
  • Electric vehicles represent one of the most promising alternatives to conventional vehicles that use internal combustion engines. However, since electric vehicles rely upon the use of rechargeable batteries, they must also include an efficient thermal management system that ensures each powertrain component remains within its optimum operating temperature range, specifically the battery pack.
  • US 2016/0318409 A1 discloses a thermal management system to cool the motor assembly and related drive train components of an electric vehicle.
  • US 2017/0106724 A1 relates to a thermal management system for a battery of a vehicle.
  • EP 3 089 257 A1 is related to a cooling system for a battery comprising a plurality of battery cells.
  • WO 2017/033412 A1 discloses a battery system and an electric vehicle equipped with such a battery system. The battery system comprises a coolant circulation path.
  • Hybrid/Electric Vehicles have a specific defined zone of temperature control for optimizing battery efficiency and lifetime.
  • Vehicle manufacturers use thermal systems to heat and cool the battery within the operating temperature condition of 70°C ⁇ 10°C, while also maintaining a cell-to-cell temperature zone variation in the range of 3°C to 5°C.
  • a traditional battery system uses glycol-based fluids or AC refrigerant fluids for thermal optimization.
  • H/EV batteries exhibit a cold start or cold operating temperature issue that requires the heating of the fluid at initial start-up. The goal at initial start-up is to ramp up heat in the battery to a controlled state as fast as possible.
  • Conventional practice is to place a heating element within the battery pack.
  • battery manufacturers would prefer not to use electrical voltage to power a heater as it withdraws driving capacity.
  • an internal heating element takes up important packaging space as power density in a given size is an important design parameter.
  • the present disclosure generally provides a thermal management system for powertrain components used in hybrid/electric vehicles (H/EVs) having a vehicle chassis thermal loop that includes a fluid, a circulation pump, and one or more lines through which the fluid flows.
  • the thermal management system allows for efficient start-up and performance optimization under cold operating (i.e., environmental) conditions.
  • the thermal management system comprises a component thermal loop coupled with the vehicle chassis thermal loop.
  • the component thermal loop also includes one or more lines through which the fluid flows and is in contact with the battery pack, power electronics, and/or motor drives.
  • the component thermal loop includes at least a portion of the one or more lines being a plastic heated line that is configured to heat the fluid to a temperature that is at or above a cold operating temperature predetermined for the powertrain component and wherein this temperature is in the range of 0°C to 70°C.
  • the heating of the fluid in the plastic heated line may be initiated by an external action, including but not limited to a driver initiated action, where a door of the hybrid/electric vehicle transitions from a locked state to an unlocked state or a remote power-up state and/or also occur while the battery pack is in the process of being charged.
  • an external action including but not limited to a driver initiated action, where a door of the hybrid/electric vehicle transitions from a locked state to an unlocked state or a remote power-up state and/or also occur while the battery pack is in the process of being charged.
  • the plastic heater line is a multilayer line or tube that comprises, consists of, or consists essentially of a thermoplastic inner layer that contacts the fluid and is chemically resistant thereto, a heating element, an insulating layer, and an abrasion resistant outer layer.
  • the heating element may include one or more heatable wires or planar structures located within one or more layers of the lines, inside the orifice created by the lines, or on the outer surface of the lines.
  • the heating element may include actively heated rods located inside the line.
  • a hybrid/electric vehicle comprises one or more of a battery pack, power electronics, or motor drives and the thermal management system described above and further defined herein.
  • the thermal management system may further comprise a flow control valve that couples the vehicle chassis thermal loop to the component thermal loop, such that closure of the valve allows the vehicle chassis thermal loop and the component thermal loop to operate independently.
  • the thermal management system further comprises one or more sensors to measure temperature, pressure, or both; and optionally, one or more of a control unit, fluid connectors, or branches through which fluid may flow around each powertrain component (e.g., battery) or to another thermal system or loop.
  • a method provides for the heating of a powertrain component, such as a battery pack in hybrid/electric vehicles (H/EVs).
  • This method comprises heating a fluid present in a plastic heated line as part of a thermal management system.
  • the heated fluid circulates through a component thermal loop in order to heat the component (e.g., battery pack) to a temperature that is at or above a predetermined cold operating temperature.
  • the fluid is heated to a temperature in the range of 0°C to 70°C.
  • thermal management system made and used according to the teachings contained herein is described throughout the present disclosure in conjunction with controlling the temperature of a battery pack used in hybrid/electric vehicles (H/EVs), in order to more fully illustrate the composition and the use thereof.
  • H/EVs hybrid/electric vehicles
  • this thermal management system to control the temperature in other components, such as power electronics and motor drives, as well as the use of this thermal management system in other types of electric cars, trucks, carts, and cycles, such as plug-in hybrid electric vehicles (PHEVs), extended range electric vehicles (EREVs), full battery electric vehicles (BEVs), as well as spacecraft, space rovers, on- and off-road, railborne, airborne, or seaborne electric vehicles are contemplated to be within the scope of the present disclosure.
  • PHEVs plug-in hybrid electric vehicles
  • EREVs extended range electric vehicles
  • BEVs full battery electric vehicles
  • spacecraft space rovers, on- and off-road, railborne, airborne, or seaborne electric vehicles
  • the present disclosure provides a thermal management system for use in vehicles, such as a hybrid/electric vehicles (H/EVs) that have a vehicle chassis thermal loop, which includes a fluid, a circulation pump, and one or more lines through which the fluid flows.
  • the thermal management system uses a plastic heated line to heat/or cool a fluid that flows through or around one or more powertrain component, including but not limited to the batteries in the vehicle's battery module or battery pack.
  • the heated plastic line can begin to heat the static thermal fluid present in the line with vehicle driver door unlock initiation or remote power-up initiation by an external action, such as for example a driver action, and/or can maintain the static fluid in a preheated condition by drawing power while the battery pack is being charged.
  • the heated line(s) may be applied to the vehicle chassis thermal loop bundle at the vehicle pump input from the radiator and pump output to a component thermal loop input.
  • the thermal management system of the present disclosure can provide for enhanced operating performance efficiency by quickly ensuring that the batteries, electronics, or motor drives are operating in their "comfort zone" or near their optimum operating temperatures.
  • the thermal management system can precisely control the operating temperature to be within the temperature limits set forth for the powertrain component (e.g., battery cell).
  • the conversion of conventional aluminum/rubber fluid line to a heated plastic line will provide significant weight savings.
  • heated plastic lines may further enhance chemical compatibility or resistance to chemical degradation, thereby, promoting a longer service lifetime and reducing environmental evaporative emissions.
  • FIG. 1 illustrates a hybrid electric vehicle (H/EV) 5 and a thermal management system 10 contained therein formed according to the teachings of the present disclosure.
  • the H/EV 5 includes a vehicle chassis thermal loop 20 and a thermal management system 10 comprising a component thermal loop 15.
  • the vehicle chassis thermal loop 20 may also incorporate multiple additional thermal loops, including but not limited to a thermal loop for the driveline power electronics 25.
  • Each of the thermal loops 15, 20, 25 may include one or more lines 30 through which a thermal transfer fluid may flow.
  • thermal management systems 10 formed according to the teachings of the present disclosure are provided for use in a H/EV 5 having a vehicle chassis loop 20.
  • the thermal management systems 10 comprise a component thermal loop 15.
  • the vehicle chassis thermal loop 20 includes a fluid 60, a circulation pump85A, and one or more lines 30A through which the fluid flows.
  • the component thermal loop 15 comprises the fluid 60 and one or more lines 30B in contact with the powertrain component 50, such as a battery pack, through which the fluid 60 flows.
  • the component thermal loop 15 is coupled to the vehicle chassis thermal loop 20.
  • At least one of the vehicle chassis loop 20 and the component thermal loop 15 have at least a portion of the one or more lines 30A, 30B being a plastic heated line 55.
  • the plastic heated line 55 is configured to heat the fluid 60 to a temperature that is at or above a cold operating temperature predetermined for the component 50 (e.g., battery pack).
  • the component thermal loop 15 may comprise one or more control units 70A, 70B, sensors 65, and flow control valves 75.
  • the thermal management system 10 may include one or more control units 70A, 70B. These control units 70A, 70B may be dedicated thermal management systems or be incorporated as part of the vehicle's main control system, thereby reducing manufacturing cost and overall vehicle complexity.
  • the control units 70A, 70B may use a plurality of sensors 65 that are capable of monitoring the temperature and/or pressure within the line 30A, 30B in one or more regions of the thermal loops 15, 20.
  • Control units 70A, 70B can use the measured temperature values to determine the operation of the various thermal management subsystems.
  • the sensors 65 that may be included in the thermal management system 10 may measure either the temperature of the fluid 60, the pressure in the line 30, or both.
  • the component thermal loop may also include a circulation pump 85B to assist in flowing the fluid through the system either when the vehicle chassis thermal loop 20 and the component thermal loop 15 are connected in series or are operated independently. The closing of the flow control valves 75 located in the component thermal loop 15 allows the component thermal loop 15 to be operated independently of the vehicle chassis thermal loop 20.
  • a plurality of sensors 65 may be used to monitor the temperatures of the various components under the control of the thermal management system.
  • the component thermal loop 15 may include one or more temperature sensors 65 that monitor the temperature of the component 50 (e.g., battery pack).
  • Other components and subsystems may also include sensors that monitor the temperature or pressure in the vehicle chassis thermal loop 20.
  • Temperature and/or pressure sensors 570 are generally used to monitor the state of the fluid 60 located in component thermal loop 15.
  • the fluid line 30B located in the component thermal loop 15 may include multiple branches 80 that allow the fluid 60 to be circulated among the components 50, such as the multiple batteries located within a battery pack.
  • the temperature of the batteries within a battery pack is controlled by the pumping of the fluid (e.g., a thermal transfer medium) through the plurality of branches 80 or conduits integrated into battery pack.
  • These branches may be fabricated from one or more materials that exhibit a relatively high thermal conductivity, are configured within battery pack to optimize thermal contact between the individual batteries (not shown) and the conduits, thereby allowing the temperature of the batteries to be regulated by the flow of fluid through the line 30B.
  • the branches may also allow the fluid to flow to one or more other thermal systems or loops used within the vehicle.
  • the thermal management system 10 of the present disclosure may be used to cool or reduce the temperature of the components 50, such as the batteries in a battery pack by regulating the transfer of heat from the fluid 60 to through the vehicle chassis thermal loop 20.
  • the fluid 60 within the lines 30A is pumped through a radiator 90 using the circulation pump 85A.
  • a blower fan 95 may be used to force air through radiator 90 when the car is stationary or moving at low speeds, thereby, ensuring that there is adequate transfer of thermal energy from the fluid to the ambient environment.
  • the vehicle chassis thermal loop 20 may also include a heater 97, e.g., a PTC heater, that may be used to heat the fluid within lines 30A, and thus heat the component 50 (e.g, the batteries within pack) during the operation of the vehicle.
  • battery and “battery system” may be used interchangeably and refer to an electrical energy storage system that has the capability to be charged and discharged, such as a battery, battery pack, capacitor, or supercapacitor.
  • these terms may refer to any of a variety of different cell types, chemistries and configurations including, but not limited to, lithium ion (e.g., lithium iron phosphate, lithium cobalt oxide, other lithium metal oxides, lithium ion polymer, nickel metal hydride, nickel cadmium, nickel hydrogen, nickel zinc, silver zinc batteries.
  • battery pack as used herein refers to multiple individual batteries contained within a housing that are electrically interconnected to achieve a desired voltage and capacity for a particular application.
  • the term "electric vehicle” as used herein may refer to an all-electric vehicle, also referred to as an EV, a plug-in hybrid vehicle, also referred to as a PHEV, or a hybrid vehicle, also referred to as a H/EV, where a hybrid vehicle refers to a vehicle utilizing multiple propulsion sources one of which is an electric drive system.
  • the plastic heated line is configured in the thermal management system, such that the heating of the fluid can be initiated when a door of the hybrid/electric vehicle transitions from a locked state to an unlocked state or a remote power-up state by a external initiated action.
  • the plastic line may also be configured for use in preheating the fluid andcontrolling the temperature of the fluid while the component, e.g., a battery pack, is connected to an external charging station and is being charged. Battery packs in most electric vehicles can be charged through the use of an internal charging system and/or an external charging station. Electric vehicles may be equipped with a charging system that is integrated into the vehicle and charges the battery pack via regenerative braking.
  • Electric vehicles may also be charged by connecting to an external source of electricity via a charging station.
  • the external electricity may be used to preheat and control the temperature of the fluid present in the heated plastic line.
  • a graphical representation of the operating temperature (°C) plotted as a function of cell uniformity is provided. Accelerated aging occurs when the battery is operated at too high of a temperature (e.g., above 70°C) This accelerated aging may also occur when the battery is operated in the range of about 50°C to 70°C. When the battery is operated at or below 0°C degradation of the battery e.g., lithium plating, dentrite formation, etc. may occur. When the battery is operated at a temperature ranging from 0°C to about 10°C, the battery exhibits a reduced energy or power capacity. The occurrence of accelerated aging, pack charge imbalance, reduced energy/power capacity, or chemical degradation is undesirable (x).
  • the alternative temperature range which may be considered the "comfort zone" for the operation of the battery is in the range from about 10°C to about 50°C (V).
  • a minimal change in temperature (AT) over the entire battery pack is desirable in order to minimize the occurrence of a charge imbalance occurring in the battery pack.
  • the change intemperature over the entire battery pack should be less than 5°C; alternatively, less than about 4°C; alternatively between 0°and about 3°C.
  • the vehicle chassis thermal loop 20 comprises a continuous cooling loop used to cool the hybrid electric vehicle's combustion engine, which is the vehicle's principal traction motor.
  • This cooling loop 20 as previously described in Figure 2B includes a pump 85A to circulate the fluid 60 through the cooling loop 20, a radiator 90 for discharging the heat to the ambient atmosphere, and a coolant reservoir (not shown).
  • the vehicle chassis thermal loop 20 also includes a fan 95 that forces air through radiator 90 when insufficient air is passing through the radiator, which is necessary to achieve the desired level of cooling, e.g., when the vehicle is not moving.
  • the fluid 60 or heat transfer medium used in this cooling loop may include, but not be limited to water, an antifreeze coolant, or a mixture thereof.
  • the antifreeze coolant may include without limitation an alcohol, glycerol, ethylene glycol, propylene glycol, organic acid technology (OAT), hybrid organic acid technology (HOAT), or a combination thereof.
  • the fluid may include various dyes and other additives. These additives may include, without limitation, sodium silicate, disodium phosphate, sodium molybdate, sodium borate, denatonium benzoate, and dextrin (hydroxyethyl starch), to name a few.
  • the vehicle chassis thermal loop 20 may be thermally coupled to other vehicle electronic components, for example the power electronics module and inverter for the motor to name a few. If the system includes an internal charging system capable of charging rechargeable batteries using power source at an external charging station, the charging system may be coupled to cooling loop 20 as well. Alternately, such a charging station may be coupled to the battery thermal loop 15.
  • the component thermal loop 15 comprises one or more components 50, such as power electronics, motor drives, or batteries located in a battery pack, that are in contact with a fluid line 30B and/or multiple branches 80 arising from the fluid line.
  • the fluid line 30B includes the same coolant or heat transfer medium 60 as used in the vehicle chassis thermal loop 20.
  • the fluid 60 may be circulated through the component thermal loop 15 using the pump 85A located in the vehicle chassis thermal loop when the two loops 15, 20 are operated in series.
  • One or more circulation pumps 85B may also be incorporated into the component thermal loop 15 in order to circulate the fluid when desirable and/or when the vehicle chassis thermal loop 20 and the component thermal loop 15 are operated in parallel or independently of one another.
  • the ability to operate the component thermal loop and the vehicle chassis thermal loop in series or in a parallel configuration, depending upon the external environment and/or the immediate operating characteristics of the components, allows for both thermal andperformance optimization of the vehicle's thermal management system.
  • thermal and performance optimization contributes to enhanced efficiency along with associated operating cost savings.
  • the decision as operating the thermal loops 15, 20 serially or in parallel can be made in order to optimize the overall thermal response according to the performance operating conditions.
  • Operating the vehicle chassis thermal loop 20 and the component thermal loop 15 in series may improve system efficiency in a number of operating scenarios.
  • serial operation allows the fluid 60 to be heated by the components (e.g., drive train, engine, etc.) in contact with the vehicle chassis thermal loop 15 before passing through or around the component 50, such as a battery pack.
  • the vehicle chassis thermal loop 20 may also include a heating element 97 as previously described in Figure 2B . Since rechargeable batteries have a minimum preferred operating temperature, this configuration allows for the heat generated by the components in contact with the vehicle chassis thermal loop 15 to heat the battery pack 50.
  • the components that are in contact with the vehicle chassis thermal loop 20 generally operate more efficiently at cooler temperatures.
  • serial operation may also be beneficial during operation of the vehicle in order to withdraw heat from or around the component (e.g., the battery pack) in order to maintain the component (e.g., batteries) near their optimum or desired operating temperature.
  • the vehicle chassis thermal loop 20 or the component thermal loop 15 includes the plastic heated line 55.
  • the plastic heated line may be used to initially heat the fluid 60 to a temperature that is above the lower temperature limit for efficient operation of the component 50, e.g., batteries in the battery pack.
  • the plastic heated line 55 may be used to initially heat the fluid 60 to a temperature that is above the lower temperature limit for efficient operation of the component 50 (e.g., batteries in the battery pack). In this mode, energy efficiency is enhanced because the fluid 60 is only circulated via the circulation pump 85B through the component thermal loop 15 rather than the entire thermal management system 10.
  • the plastic heated line 55 is a multilayer line or tube that comprises a thermoplastic inner layer 110, an abrasive resistant outer layer 115, a heating element 120, and one or more insulating layers 125a, 125b with the compositionof each layer being individually selected.
  • the composition of each layer in the multilayer line may be selected to be substantially the same, similar, dissimilar, or substantially different.
  • the abrasive resistant outer layer 115 surrounds or encompasses the heating element 120 and the other layers 110, 125a, 125b.
  • the heating element 120 may be applied to the external surface of the outer layer 115 or incorporated within the orifice created by the line through which the fluid flows without exceeding the scope of the present disclosure.
  • the heating element may be encased within its own insulating layer and/or an abrasive resistant out layer.
  • An important design factor for a heatable line 55 is that the heating element 120 is protected by a protective covering (e.g., an insulating layer 110 and/or abrasion resistant outer layer 115).
  • the two ends of the heating element 120 can easily be separated from the plastic line 55 and connected to an electrical connection device, which can be used to connect the heating element 120 to a voltage source.
  • the heating element 120 is provided for heating the fluid 60 that circulates through the layer 110 of the multilayer line 55.
  • the heating element 120 extends over at least a portion of the plastic heated line 55; alternatively, over a substantial portion of the plastic heated line 55.
  • the length of the plastic heated line 55 may range from about 0.2 meters to about 5 meters; alternatively, between about 0.5 meters and about 4.5 meters; alternatively between about 1 meter and about 4 meters.
  • the heating element 120 may be arranged between the inner layer 110 and the outer layer 115 so that the heating element 120 is fixed in its position within the multilayer line 55.
  • the presence of the one or more insulating layers 125a, 125b may further fix the position of the heating element 120.
  • the heating element may be alternatively located so that lies on the outer surface of the line or within the orifice created by the line through which the fluid flows.
  • the heating element 120 may be arranged so that it winds helically around the inner tube (see Figure 4A ) along the longitudinal axis (a) of the inner tube or is located parallel to the axis (see Figure 4B ).
  • the heating element 120 may comprise one or more heatable wires or planar structures located within the plastic heated line 55 or as previously described above applied to the outer surface of the line 55.
  • the heating element may also be located inside the orifice created by the lines.
  • the heating element may include actively heated rods locatedinside the line.
  • the heating element 120 may comprise, consist of, or consist essentially of any electrically conductive material, including, but not limited to a conductive polymer, another conductive organic material, a metal, or a metal alloy, such as copper, nickel-plated copper, or tin-plated copper.
  • the heating element 120 may comprise multiple wire strands that are twisted or braided together.
  • thermoplastic inner layer 110 of the multilayer line 55 is chemically resistant to contact with the fluid 60. Since the plastic heated line 55 transports a fluid 60, the thermoplastic inner layer 110 should be chemically resistant to the fluid 60 and exhibit minimal or no swelling in the presence of the fluid 60. In addition, the thermoplastic inner layer 110 may also be impermeable to the fluid 60. When desirable, the plastic heated line 55 may exhibit flexibility and provide the necessary amount of pressure resistance.
  • the above identified materials may also be used, without limitation, as the composition of the one or more insulating layers 125a, 125b, and/or the outer layer 115.
  • the outer layer 115 may also comprise an elastomeric material, including but not limited to a natural or synthetic rubber.
  • thermoplastic inner layer 110, the outer layer 115, and the one or more insulating layers 125a, 125b may comprise one or more additives, such tline commonly incorporated into plastic compositions as curative systems, protective systems, reinforcing agents, cheapeners, pigments, and/or other process aids.
  • additives may comprise without limitation, any type of pigments or colorants, fillers, dispersants or surfactants, coalescent agents, pH neutralizing agents, plasticizers, defoamers, thickeners, corrosion inhibitors, flame retardants, chelating agents, or crosslinking agents, as well as mixtures and combinations thereof.
  • a method 200 of heating a component, such as a battery pack, in a hybrid/electric vehicle (H/EV) is provided.
  • This method 200 generally comprises heating a fluid 210 located in a plastic heated line present in a thermal management system of the H/EV and allowing the heated fluid to circulate 215 through acomponent thermal loop, and heating 220 the component (e.g., battery pack) to a temperature that is at or above a cold operating temperature predetermined for the component.
  • the fluid may be heated to a temperature that is in the range of about 0°C to about 70°C.
  • the thermal management system 10 used in this method is the same as that previously described above and further defined herein.
  • the heating 210 of the fluid may be either initiated when a door of the hybrid/electric vehicle transitions 225 from a locked state to an unlocked state or remote power-up state by an externally initiated action, including without limitation an action by the driver, and/or used for controlling 230 the temperature of the fluid in a heated condition while the component (e.g, battery pack) is being charged.
  • the method 200 may further comprise closing 235 a flow control valve that couples the vehicle chassis thermal loop to the component thermal loop, such that the vehicle chassis thermal loop and the component thermal loop operate independently.
  • the method may also comprise measuring 240 temperature and/or pressure at one or more locations within the thermal management system.
  • a hybrid/electric vehicle is disclosed (see Figure 1 ) that includes the thermal management system previously described above (see Figures 2A - 4B ) and further defined herein.
  • the use of the this thermal management system in a hybrid/electric vehicle is described along with the use of the method of heating a component, e.g., battery pack, in order to more easily start a hybrid/electric vehicle under cold ambient temperatures.
  • a concentration ranging from 40% by weight to 60% by weight includes concentrations of 40% by weight, 60% by weight, and all concentrations there between (e.g., 40.1%, 41%, 45%, 50%, 52.5%, 55%, 59%, etc.).
  • At least one and “one or more of an element are used interchangeably and may have the same meaning. These terms, which refer to the inclusion of a single element or a plurality of the elements, may also be represented by the suffix "(s)" at the end of the element. For example, “at least one sensor”, “one or more sensors”, and “sensor(s)” may be used interchangeably and are intended to have the same meaning.
  • the phrases "at least one of ⁇ A>, ⁇ B>, ... and ⁇ N>” or “at least one of ⁇ A>, ⁇ B>, ... ⁇ N>, or combinations thereof" or " ⁇ A>, ⁇ B>, ... and/or ⁇ N>” are defined in the present disclosure in the broadest sense, superseding any other implied definitions hereinbefore or hereinafter unlessexpressly asserted in the present disclosure to the contrary, to mean one or more elements selected from the group comprising A, B, ... and N.
  • the phrases mean any combination of one or more of the elements A, B, ... or N including any one element alone or the one element in combination with one or more of the other elements, which may also include, in combination, additional elements not listed.

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Claims (21)

  1. Wärmemanagementsystem für ein Hybrid-/Elektrofahrzeug (H/EV) mit einem Fahrzeugchassis-Wärmekreislauf, der ein Fluid, eine Umwälzpumpe und eine oder mehrere Leitungen enthält, durch die das Fluid strömt, wobei das Wärmemanagementsystem aufweist:
    einen Komponenten-Wärmekreislauf, der das Fluid und eine oder mehrere Leitungen aufweist, die konfiguriert sind, um mit einem Teil einer Komponente, durch die oder um die das Fluid strömt, in Berührung zu sein; wobei der Komponenten-Wärmekreislauf konfiguriert ist, um mit dem Fahrzeugchassis-Wärmekreislauf gekoppelt zu werden; und
    wobei bei dem Komponenten-Wärmekreislauf mindestens ein Teil der einen oder mehreren Leitungen eine beheizte Kunststoffleitung ist;
    wobei die beheizte Kunststoffleitung konfiguriert ist, um das Fluid auf eine Temperatur zu erwärmen, die bei oder über einer kalten Betriebstemperatur liegt, die für die Komponente vorgegeben ist, und wobei diese Temperatur im Bereich von 0°C bis 70°C liegt.
  2. Wärmemanagementsystem nach Anspruch 1, wobei die beheizte Kunststoffleitung eine mehrschichtige Leitung ist, die Folgendes aufweist: eine thermoplastische Innenschicht; ein Heizelement; eine Isolierschicht; und eine abriebfeste Außenschicht;
    wobei die thermoplastische Innenschicht gegenüber Berührung mit dem Fluid chemisch beständig ist.
  3. Wärmemanagementsystem nach Anspruch 2, wobei die thermoplastische Innenschicht Acrylnitril-Butadien-Styrol (ABS), Polypropylen (PP), Polyvinylchlorid (PVC), Polyethylen (PE), Polybutylen (PB), Polyvinylidenfluorid (PVDF), Polyamid (PA), Ethylen-Chlortrifluorethylen-Copolymer (ECTFE), Ethylentetrafluorethylen (ETFE), fluoriertes Ethylenpropylen (FEP), Polycarbonat (PC), Polyeitherimid (PEI), Polyethylenterephthalat (PET), Polymethylmethacrylat (PMMA), Polypropylen (PP), Tetrafluorethylen (TFE), Styrolacrylnitril (SAN), Polystyrol (PS), Polyketon (PK), Polyphthalamid (PPA) oder ein Terpolymer aus Ethylen, Tetrafluorethylen und Hexafluorethylen (EFEP).
  4. Wärmemanagementsystem nach einem der Ansprüche 2 oder 3, wobei das Heizelement einen oder mehrere beheizbare Drähte, planare Strukturen oder Stäbe aufweist, die sich innerhalb der Leitungen, innerhalb der Öffnung, die durch die Leitungen geschaffen ist, oder auf der Außenfläche der Leitungen befinden.
  5. Wärmemanagementsystem nach einem der Ansprüche 1 bis 4, wobei das Wärmemanagementsystem ferner ein Durchflusssteuerventil aufweist, das den Fahrzeugchassis-Wärmekreislauf mit dem Komponenten-Wärmekreislauf koppelt, so dass der Fahrzeugchassis-Wärmekreislauf und der Komponenten-Wärmekreislauf durch Schließen des Ventils unabhängig voneinander arbeiten können.
  6. Wärmemanagementsystem nach einem der Ansprüche 1 bis 5, wobei das Wärmemanagementsystem ferner einen oder mehrere Sensoren zum Messen von Temperatur und/oder Druck aufweist; und optional eines oder mehreres von einer Steuereinheit, Fluidverbindern oder Zweigen, durch die Fluid durch oder um die Komponente oder zu anderen thermischen Systemen oder Kreisläufen strömen kann.
  7. Wärmemanagementsystem nach einem der Ansprüche 1 bis 6, wobei die beheizte Kunststoffleitung in einer Länge im Bereich von etwa 0,2 m bis etwa 5 m vorhanden ist.
  8. Wärmemanagementsystem nach einem der Ansprüche 1 bis 7, wobei die Komponente eine Batterie ist, die sich innerhalb eines Batteriepakets befindet, durch das das Fluid strömt.
  9. Hybrid-/Elektrofahrzeug (H/EV) mit einer Komponente, einem Wärmemanagementsystem und einem Fahrzeugchassis-Wärmekreislauf, der ein Fluid, eine Umwälzpumpe und eine oder mehrere Leitungen, durch die das Fluid strömt, enthält; wobei das Wärmemanagementsystem Folgendes aufweist:
    einen Komponenten-Wärmekreislauf, der das Fluid und eine oder mehrere Leitungen aufweist, die sich in Berührung mit der Komponente befinden; wobei der Komponenten-Wärmekreislauf mit dem Fahrzeugchassis-Wärmekreislauf gekoppelt ist; und
    wobei bei mindestens einem von dem Fahrzeugchassis-Wärmekreislauf und dem Komponenten-Wärmekreislauf mindestens ein Teil der einen oder mehreren Leitungen eine beheizte Kunststoffleitung ist;
    wobei die beheizte Kunststoffleitung konfiguriert ist, um das Fluid auf eine Temperatur zu erwärmen, die bei oder über einer kalten Betriebstemperatur liegt, die für die Komponente vorgegeben ist, und wobei diese Temperatur im Bereich von 0°C bis 70°C liegt.
  10. Hybrid-/Elektrofahrzeug nach Anspruch 9, wobei die beheizte Kunststoffleitung ein mehrschichtiges Rohr bzw. ein mehrschichtiger Schlauch ist, der Folgendes aufweist: eine thermoplastische Innenschicht; ein Heizelement; eine Isolierschicht; und eine abriebfeste Außenschicht;
    wobei die thermoplastische Innenschicht gegenüber Berührung mit dem Fluid chemisch beständig ist.
  11. Hybrid-/Elektrofahrzeug nach einem der Ansprüche 9 oder 10, wobei das Wärmemanagementsystem ferner einen oder mehrere Sensoren zum Messen von Temperatur und/oder Druck aufweist.
  12. Hybrid-/Elektrofahrzeug nach einem der Ansprüche 9 bis 11, wobei das Wärmemanagementsystem ferner ein Durchflusssteuerventil aufweist, das den Fahrzeugchassis-Wärmekreislauf mit dem Komponenten-Wärmekreislauf koppelt, so dass der Fahrzeugchassis-Wärmekreislauf und der Komponenten-Wärmekreislauf durch Schließen des Ventils unabhängig voneinander arbeiten können.
  13. Hybrid-/Elektrofahrzeug nach einem der Ansprüche 9 bis 12, wobei die beheizte Kunststoffleitung in einer Länge im Bereich von etwa 0,2 m bis etwa 5 m vorhanden ist.
  14. Hybrid-/Elektrofahrzeug nach einem der Ansprüche 9 bis 13, wobei die Komponente eine Batterie ist, die sich innerhalb eines Batteriepakets befindet, durch das das Fluid strömt.
  15. Verfahren zum Erwärmen einer Komponente in einem Hybrid-/Elektrofahrzeug (H/EV) mit einem Fahrzeugchassis-Wärmekreislauf, der ein Fluid, eine Umwälzpumpe und eine oder mehrere Leitungen enthält, durch die das Fluid strömt, wobei das Verfahren umfasst:
    Erwärmen eines Fluids, das sich in einer beheizten Kunststoffleitung befindet, die in einem Wärmemanagementsystem des Hybrid-/Elektrofahrzeugs vorhanden ist;
    Ermöglichen, dass das erwärmte Fluid durch einen Komponenten-Wärmekreislauf zirkuliert; und Erwärmen der Komponente auf eine Temperatur, die bei oder über einer kalten Betriebstemperatur liegt, die für die Komponente vorgegeben ist, und wobei das Fluid auf eine Temperatur im Bereich von 0°C bis 70°C erwärmt wird;
    wobei das Wärmemanagementsystem aufweist:
    den Komponenten-Wärmekreislauf, der das Fluid und eine oder mehrere Leitungen aufweist, die sich in Berührung mit der Komponente befinden, durch die oder um die das Fluid strömt; wobei der Komponenten-Wärmekreislauf mit dem Fahrzeugchassis-Wärmekreislauf gekoppelt ist; und
    wobei bei dem Komponenten-Wärmekreislauf, mindestens ein Abschnitt der einen oder mehreren Leitungen die beheizte Kunststoffleitung ist.
  16. Verfahren nach Anspruch 15, wobei das Erwärmen des Fluids entweder eingeleitet wird, wenn eine Tür des Hybrid-/Elektrofahrzeugs durch eine äußere Betätigung von einem verriegelten Zustand in einen unverriegelten Zustand oder in einen ferngesteuerten Einschaltzustand übergeht, und/oder verwendet wird, um die Temperatur des Fluids zu regeln, während die Komponente geladen wird.
  17. Verfahren nach einem der Ansprüche 15 bis 16,
    wobei das Verfahren ferner ein Schließen eines Durchflusssteuerventils, das den Fahrzeugchassis-Wärmekreislauf mit dem Komponenten-Wärmekreislauf koppelt, umfasst, so dass der Fahrzeugchassis-Wärmekreislauf und der Komponenten-Wärmekreislauf unabhängig voneinander arbeiten.
  18. Verfahren nach einem der Ansprüche 15 bis 16, wobei das Verfahren ferner ein Messen von Temperatur und/oder Druck an einer oder mehreren Orten innerhalb des Wärmemanagementsystems umfasst.
  19. Verfahren nach einem der Ansprüche 15 bis 18, wobei die Komponente eine Batterie ist, die sich innerhalb eines Batteriepakets befindet, durch das das Fluid strömt.
  20. Verwenden des Wärmemanagementsystems nach einem der Ansprüche 1 bis 8 in einem Hybrid-/Elektrofahrzeug (H/EV).
  21. Verwenden des Verfahrens nach einem der Ansprüche 15 bis 19 zum Erwärmen eines Batteriepakets, um ein Hybrid-/Elektrofahrzeug zu starten.
EP17832357.2A 2017-12-21 2017-12-21 Beheizte kunststofffluidleitungen für thermische systeme in einem hybriden/elektrischen fahrzeug (h/ev) und verwendung davon Active EP3729556B1 (de)

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RU201905U1 (ru) * 2020-10-20 2021-01-21 федеральное государственное бюджетное образовательное учреждение высшего образования "Тольяттинский государственный университет" Устройство подогрева аккумуляторных батарей электрического транспортного средства для работы в условиях низких температур окружающего воздуха

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JP2012059371A (ja) * 2010-09-03 2012-03-22 Nitta Ind Corp 流体加熱用チューブ
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KR20200104946A (ko) 2020-09-04
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WO2019122983A1 (en) 2019-06-27
CN110402518A (zh) 2019-11-01
US20200391573A1 (en) 2020-12-17
EP3729556A1 (de) 2020-10-28
US11027594B2 (en) 2021-06-08
KR20190090404A (ko) 2019-08-01

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